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IL270935A - A device and method for controlling change in an instruction system - Google Patents

A device and method for controlling change in an instruction system

Info

Publication number
IL270935A
IL270935A IL270935A IL27093519A IL270935A IL 270935 A IL270935 A IL 270935A IL 270935 A IL270935 A IL 270935A IL 27093519 A IL27093519 A IL 27093519A IL 270935 A IL270935 A IL 270935A
Authority
IL
Israel
Prior art keywords
instruction system
controlling change
controlling
change
instruction
Prior art date
Application number
IL270935A
Other languages
Hebrew (he)
Other versions
IL270935B2 (en
IL270935B1 (en
Original Assignee
Advanced Risc Mach Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Advanced Risc Mach Ltd filed Critical Advanced Risc Mach Ltd
Publication of IL270935A publication Critical patent/IL270935A/en
Publication of IL270935B1 publication Critical patent/IL270935B1/en
Publication of IL270935B2 publication Critical patent/IL270935B2/en

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
    • G06F9/30181—Instruction operation extension or modification
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
    • G06F9/30181—Instruction operation extension or modification
    • G06F9/30189—Instruction operation extension or modification according to execution mode, e.g. mode flag
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G06F12/02—Addressing or allocation; Relocation
    • G06F12/08—Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
    • G06F12/0802—Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches
    • G06F12/0862—Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches with prefetch
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G06F12/14—Protection against unauthorised use of memory or access to memory
    • G06F12/1416—Protection against unauthorised use of memory or access to memory by checking the object accessibility, e.g. type of access defined by the memory independently of subject rights
    • G06F12/1425—Protection against unauthorised use of memory or access to memory by checking the object accessibility, e.g. type of access defined by the memory independently of subject rights the protection being physical, e.g. cell, word, block
    • G06F12/1441—Protection against unauthorised use of memory or access to memory by checking the object accessibility, e.g. type of access defined by the memory independently of subject rights the protection being physical, e.g. cell, word, block for a range
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
    • G06F21/71—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
    • G06F9/30003—Arrangements for executing specific machine instructions
    • G06F9/3005—Arrangements for executing specific machine instructions to perform operations for flow control
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
    • G06F9/30003—Arrangements for executing specific machine instructions
    • G06F9/3005—Arrangements for executing specific machine instructions to perform operations for flow control
    • G06F9/30054—Unconditional branch instructions
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
    • G06F9/30003—Arrangements for executing specific machine instructions
    • G06F9/30076—Arrangements for executing specific machine instructions to perform miscellaneous control operations, e.g. NOP
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
    • G06F9/30098—Register arrangements
    • G06F9/30101—Special purpose registers
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
    • G06F9/30098—Register arrangements
    • G06F9/3012—Organisation of register space, e.g. banked or distributed register file
    • G06F9/3013—Organisation of register space, e.g. banked or distributed register file according to data content, e.g. floating-point registers, address registers
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
    • G06F9/30181—Instruction operation extension or modification
    • G06F9/30192—Instruction operation extension or modification according to data descriptor, e.g. dynamic data typing
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
    • G06F9/32—Address formation of the next instruction, e.g. by incrementing the instruction counter
    • G06F9/322—Address formation of the next instruction, e.g. by incrementing the instruction counter for non-sequential address
    • G06F9/323—Address formation of the next instruction, e.g. by incrementing the instruction counter for non-sequential address for indirect branch instructions
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
    • G06F9/34—Addressing or accessing the instruction operand or the result ; Formation of operand address; Addressing modes
    • G06F9/35—Indirect addressing
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
    • G06F9/38—Concurrent instruction execution, e.g. pipeline or look ahead
    • G06F9/3861—Recovery, e.g. branch miss-prediction, exception handling
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
    • G06F9/38—Concurrent instruction execution, e.g. pipeline or look ahead
    • G06F9/3861—Recovery, e.g. branch miss-prediction, exception handling
    • G06F9/3865—Recovery, e.g. branch miss-prediction, exception handling using deferred exception handling, e.g. exception flags
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/46—Multiprogramming arrangements
    • G06F9/468—Specific access rights for resources, e.g. using capability register

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Software Systems (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Computer Security & Cryptography (AREA)
  • Mathematical Physics (AREA)
  • Storage Device Security (AREA)
  • Executing Machine-Instructions (AREA)
  • Processing Or Creating Images (AREA)
  • Memory System Of A Hierarchy Structure (AREA)
  • Stored Programmes (AREA)
  • Advance Control (AREA)
IL270935A 2017-06-15 2018-04-27 A device and method for controlling change in an instruction system IL270935B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1709511.8A GB2563580B (en) 2017-06-15 2017-06-15 An apparatus and method for controlling a change in instruction set
PCT/GB2018/051116 WO2018229455A1 (en) 2017-06-15 2018-04-27 An apparatus and method for controlling a change in instruction set

Publications (3)

Publication Number Publication Date
IL270935A true IL270935A (en) 2020-01-30
IL270935B1 IL270935B1 (en) 2024-05-01
IL270935B2 IL270935B2 (en) 2024-09-01

Family

ID=59462226

Family Applications (1)

Application Number Title Priority Date Filing Date
IL270935A IL270935B2 (en) 2017-06-15 2018-04-27 A device and method for controlling change in an instruction system

Country Status (9)

Country Link
US (1) US11080058B2 (en)
EP (1) EP3639132B1 (en)
JP (2) JP2020523680A (en)
KR (1) KR102547479B1 (en)
CN (1) CN110709817B (en)
GB (1) GB2563580B (en)
IL (1) IL270935B2 (en)
TW (1) TWI786111B (en)
WO (1) WO2018229455A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2563580B (en) * 2017-06-15 2019-09-25 Advanced Risc Mach Ltd An apparatus and method for controlling a change in instruction set
US10607015B1 (en) * 2019-05-16 2020-03-31 Cyberark Software Ltd. Security risk assessment and control for code
GB2592069B (en) * 2020-02-17 2022-04-27 Advanced Risc Mach Ltd Address calculating instruction
US20230401313A1 (en) * 2021-01-05 2023-12-14 Nuvoton Technology Corporation Processor with In-Band Fault-Injection Detection in the Presence of Exceptions
GB2612344B (en) * 2021-10-29 2023-11-15 Advanced Risc Mach Ltd Apparatus and method using hint capability for controlling micro-architectural control function

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62123552A (en) * 1985-11-22 1987-06-04 Nec Corp Allocation system for central processing unit
GB2289354B (en) * 1994-05-03 1997-08-27 Advanced Risc Mach Ltd Multiple instruction set mapping
GB2307072B (en) * 1994-06-10 1998-05-13 Advanced Risc Mach Ltd Interoperability with multiple instruction sets
JPH08194504A (en) * 1995-01-13 1996-07-30 Matsushita Electric Works Ltd Programmable controller
GB2376097B (en) * 2001-05-31 2005-04-06 Advanced Risc Mach Ltd Configuration control within data processing systems
JP2004013556A (en) * 2002-06-07 2004-01-15 Matsushita Electric Ind Co Ltd Processor device, compiling device and method thereof
JP3805314B2 (en) * 2003-02-27 2006-08-02 Ｎｅｃエレクトロニクス株式会社 Processor
US7340588B2 (en) * 2003-11-24 2008-03-04 International Business Machines Corporation Extending the number of instruction bits in processors with fixed length instructions, in a manner compatible with existing code
US7802252B2 (en) * 2007-01-09 2010-09-21 International Business Machines Corporation Method and apparatus for selecting the architecture level to which a processor appears to conform
GB2448149B (en) 2007-04-03 2011-05-18 Advanced Risc Mach Ltd Protected function calling
GB2448151B (en) * 2007-04-03 2011-05-04 Advanced Risc Mach Ltd Memory domain based security control within data processing systems
GB2482701C (en) * 2010-08-11 2018-12-26 Advanced Risc Mach Ltd Illegal mode change handling
US20120159127A1 (en) * 2010-12-16 2012-06-21 Microsoft Corporation Security sandbox
TWI484413B (en) * 2012-04-03 2015-05-11 Mstar Semiconductor Inc Function-based software comparison method
US9672164B2 (en) * 2012-05-31 2017-06-06 Nxp Usa, Inc. Methods and systems for transitioning between a user state and a supervisor state based on a next instruction fetch address
US20160026486A1 (en) * 2014-07-25 2016-01-28 Soft Machines, Inc. An allocation and issue stage for reordering a microinstruction sequence into an optimized microinstruction sequence to implement an instruction set agnostic runtime architecture
GB2541714B (en) 2015-08-27 2018-02-14 Advanced Risc Mach Ltd An apparatus and method for controlling instruction execution behaviour
GB2544315B (en) * 2015-11-12 2018-02-14 Advanced Risc Mach Ltd An apparatus and method for controlling use of bounded pointers
GB2544996B (en) * 2015-12-02 2017-12-06 Advanced Risc Mach Ltd An apparatus and method for managing bounded pointers
GB2562102B (en) * 2017-05-05 2019-09-04 Advanced Risc Mach Ltd An apparatus and method for managing use of capabilities
GB2563009B (en) * 2017-05-25 2019-12-25 Advanced Risc Mach Ltd An apparatus and method for interpreting permissions associated with a capability
GB2563010B (en) * 2017-05-25 2019-12-25 Advanced Risc Mach Ltd An apparatus and method for managing a capability domain
GB2563580B (en) * 2017-06-15 2019-09-25 Advanced Risc Mach Ltd An apparatus and method for controlling a change in instruction set
US10635445B2 (en) * 2018-05-29 2020-04-28 Arm Limited Handling modifications to permitted program counter ranges in a data processing apparatus

Also Published As

Publication number Publication date
EP3639132B1 (en) 2024-05-29
JP2020523680A (en) 2020-08-06
KR20200013049A (en) 2020-02-05
TWI786111B (en) 2022-12-11
CN110709817B (en) 2023-09-22
IL270935B2 (en) 2024-09-01
US11080058B2 (en) 2021-08-03
GB201709511D0 (en) 2017-08-02
WO2018229455A1 (en) 2018-12-20
EP3639132A1 (en) 2020-04-22
KR102547479B1 (en) 2023-06-26
CN110709817A (en) 2020-01-17
US20200117458A1 (en) 2020-04-16
TW201905705A (en) 2019-02-01
IL270935B1 (en) 2024-05-01
GB2563580B (en) 2019-09-25
JP2023038361A (en) 2023-03-16
GB2563580A (en) 2018-12-26

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